CVE-2021-20787
CVSS V2 Low 3.5
CVSS V3 Medium 4.8
Description
Cross-site scripting vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0) allows a remote attacker to inject an arbitrary script by sending a specially crafted request to a specific URL.
Overview
- CVE ID
- CVE-2021-20787
- Assigner
- vultures@jpcert.or.jp
- Vulnerability Status
- Analyzed
- Published Version
- 2021-07-30T14:15:14
- Last Modified Date
- 2021-08-06T12:42:19
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:* | 1 | OR | 2.20 | 5.1.0 |
| cpe:2.3:a:groupsession:groupsession_bycloud:*:*:*:*:*:*:*:* | 1 | OR | 3.0.3 | 5.1.0 |
| cpe:2.3:a:groupsession:groupsession_zion:*:*:*:*:*:*:*:* | 1 | OR | 3.0.3 | 5.1.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 3.5
- Severity
- LOW
- Exploitability Score
- 6.8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 4.8
- Base Severity
- MEDIUM
- Exploitability Score
- 1.7
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://groupsession.jp/info/info-news/security202107 | Vendor Advisory |
| https://jvn.jp/en/jp/JVN86026700/index.html | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20787 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20787 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:58:13 | Added to TrackCVE | |||
| 2022-12-05 07:02:33 | 2021-07-30T14:15Z | 2021-07-30T14:15:14 | CVE Published Date | updated |
| 2022-12-05 07:02:33 | 2021-08-06T12:42:19 | CVE Modified Date | updated | |
| 2022-12-05 07:02:33 | Analyzed | Vulnerability Status | updated |